The Parathyroid Gland

Q.

Which one of the following pairs of hormones are examples of those that can easily pass through the cell membrane of the target cell and bind to a receptor inside it (mostly in the nucleus)?

1. Thyroxine, insulin

2. Insulin, glucagon

3. Cortisol, testosterone

4. Somatostatin, oxytocin

Q.

Which hormone regulates the amount of calcium and phosphates in the human body?

Q.

What are the three types of hormones secreted by the adrenal cortex?

Q.

Which hormone regulates calcium levels in blood ?

1. Glucagon

2. Insulin

3. Thyroxine

4. Parathormone

Q.

Name the mineral that is responsible for synthesis of hormone secreted by thyroid gland?

Q.

The hormonal gland that controls the basal metabolic rate of the body is

1. adrenal

2. thyroid

3. gonads

4. pituitary

Q. Low $C{a}^{++}$ in the body fluid may be the cause of:

1. Tetany
2. Anaemia
3. Angina pectoris
4. Gout

Q.

Column I Column II

(a) T${}_4$ (i) Hypothalamus

(b) PTH (ii) Thyroid

(c) GnRH (iii) Pituitary

(d) LH (iv) Parathyroid.

Q.

Give reason why we should add Iodine-rich food in our diet?

Q. Structure A secretes a hormone, identify the correct combination of the hormone and function secreted by it ?

1. Thyroxine - increased calcium levels in blood
2. Thymosin - increased blood sugar level
3. Growth hormone - metabolism of carbohydrate , fats and proteins
4. Parathyroid hormone - decrease in blood calcium level

Q.

Which of the following endocrine glands is unpaired?

1. Adrenal

2. Testes

3. Pituitary

4. Ovary

Q.

The hormone that increases blood calcium levels and decreases its excretion in the kidneys is

1. Parathormone

2. Calcitonin

3. Thyroxin

4. Insulin

Q.

Which cells in parathyroid gland secrete parathormone ?

1. Oxyphil cells

2. Epithelial cells

3. Chief cells

4. Beta cells

Q. Which one of the following four glands is correctly matched with the accompanying description?

1. Thyroid – Hyperactivity in young children causes cretinism
2. Thymus – Starts undergoing atrophy after puberty
3. Parathyroid – Secretes parathormone, which promotes movement of calcium ions from blood into bones during calcification
4. Pancreas – Delta cells of the islets of Langerhans secrete a hormone, which stimulates glycolysis in liver

Q.

Give two examples of endocrine glands.

Q. Parathormone influences calcium absorption in small intestine by regulating metabolism of

1. Vitamin C
2. Vitamin D
3. Vitamin B
4. Enterogastrone

Q. Viroids were discovered by

1. Diener
2. Stanley
3. Ivanowsky
4. Pasteur

Q.

What Regulates The Secretion Of The Parathyroid Hormone?

Q. Low $C{a}^{++}$ in the body fluid may be the cause of:

1. Tetany
2. Angina pectoris
3. Gout
4. Anaemia

Q. Which hormone regulates calcium balance in body?

Q.

What hormone increases calcium levels?

Q. Which of the following two hormones have antagonistic effects?

1. Parathormone and calcitonin
2. FSH and LH
3. Oestrogen and progesterone
4. ADH and melatonin

Q.

Given below is an outline of the human body showing the important glands.

1. Name the glands marked 1 to 5.
2. Name the hormone secreted by part 2. Give one important function of this hormone.
3. Name the endocrine part of the numbered 3.
4. Why is the part labeled 1 called the master gland? Which part of the forebrain controls the gland labeled 1?
5. Name the gland that secretes the ‘emergency hormone’.

Q.

When does calcium deficiency occur?

Q. Name the hormone that regulates calcium level in blood.

Q. Pellagra disease is caused by the deficiency of

1. niacin
2. tocopherol
3. riboflavin
4. folic acid

Q. Which hormone regulates calcium level in blood?

1. Glucagon
2. Insulin
3. Thyroxin
4. Parathormone

Q. Assertion :Hormone calcitonin has antagonistic effect to that of parathormone. Reason: Calcitonin decreases blood calcium level while parathormone increases blood calcium level.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
3. Assertion is correct but Reason is incorrect.
4. Both Assertion and Reason are incorrect.

Q. Explain how hypothyroidism and hyperthyroidism can effect the body?

Q. Name the hormone that regulates the rise in calcium ion level in the blood.